Question
Which catalyst is used for the synthesis of H₂ SO₄
by Lead-Chamber process?Solution
Lead-chamber Process is the method of producing sulfuric acid by oxidizing sulfur dioxide with moist air, using gaseous nitrogen oxides as catalysts, the reaction taking place primarily in a series of large, boxlike chambers of sheet lead.
Select the figure from among the given that will come in place of the question mark (?) and logically complete the series
Which of the following numbers will replace the question mark (?) in the given series?
25, 26, 28, 32, 40, ?
What will come in the place of the question mark (?) in the following equation, if '+' and '–' are interchanged and '×' and '+' are interchanged?
...‘A + B’ means ‘A is the brother of B’
‘A – B’ means ‘A is the mother of B’
‘A × B’ means ‘A is the husband of B�...
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which th...
Select the option that is related to the fifth term in the same way as the second term is related to the first term and fourth term is related to third ...
\Which shape comes next in the pattern: square, circle, triangle, square, circle, __?
Select the option figure which has the given figure embedded as its part (rotation of the figure is not allowed).
Who is an immediate neighbour of Ziya?
Select the number from among the given options that can replace the question mark (?) in the following series.
3, 20, 121, 604, 2417, ?
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